package lian;

import jdk.nashorn.internal.runtime.arrays.ArrayIndex;

import javax.swing.text.html.HTMLDocument;
import java.util.ArrayList;
import java.util.Iterator;

public class Main {
    public static void main(String[] args) {
        ArrayList<Integer> list = new ArrayList<Integer>();
        for (Integer ret:list) {

        }

        Iterator<Integer> it = list.iterator();

        while (it.hasNext())
        {
            System.out.println(it.next());
        }

    }
}
